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Changes related to the oestrous cycle in the expression of endometrial and oviductal proteins of mice


, : Changes related to the oestrous cycle in the expression of endometrial and oviductal proteins of mice. Journal of Reproduction and Fertility 95(1): 191-199

Soluble proteins extracted from the endometria and oviducts of normal sexually mature cycling Swiss Webster mice were analysed by two-dimensional high-resolution sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE). Thirty endometrial and 25 oviductal proteins showed differential expression related to the oestrous cycle. In the endometrium, 19 proteins were maximally expressed in the oestrous phase, and significantly decreased or could not be detected in dioestrus. Eleven additional proteins were more prominent in dioestrus. Most of these endometrial cyclic proteins were acidic. In the oviduct, almost two-thirds of cycle-related, differentially expressed proteins were more strongly expressed in dioestrus and were significantly less prominent or could not be detected in the oestrous phase. In contrast to the endometrial proteins, most of the oviductal cyclic proteins were basic. Fourteen proteins appeared to be identical in both organs, and five of these showed the same cyclic pattern of expression. The remaining cyclic proteins were organ specific and showed uterus- or oviduct-specific changes during the oestrous cycle. Among the cyclic proteins, four endometrial and two oviductal proteins were restricted to oestrus, whereas two endometrial and seven oviductal proteins were restricted to dioestrus. These proteins could serve as markers for specific phases of the oestrous cycle. Our data show that the mouse oestrous cycle is associated with consistent and predictable changes in protein expression in both the endometrium and oviduct.

US$19.90

PMID: 1625236

DOI: 10.1530/jrf.0.0950191


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